Method of manufacturing an inklet nozzle plate and printhead

a technology of inkjet printing and nozzle plate, which is applied in the field of inkjet printing, can solve the problems of many challenges of manufacturing such inkjet print cartridges, and none of these conventional inkjet print cartridges are believed, and achieve the effect of reducing or overcoming one or mor

Inactive Publication Date: 2003-11-06
HEWLETT PACKARD DEV CO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The challenges of manufacturing such inkjet print cartridges are many.
Among these challenges is the manufacturing of a fine-dimension orifice plate that forms a part of a printhead of the print cartridge.
However, none of these conventional ink jet print cartridges are believed to include an orifice plate with plural barrier walls each of which intimately cooperates with a print head thin film structure carried upon a substrate of the print cartridge.

Method used

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  • Method of manufacturing an inklet nozzle plate and printhead
  • Method of manufacturing an inklet nozzle plate and printhead
  • Method of manufacturing an inklet nozzle plate and printhead

Examples

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Embodiment Construction

[0025] FIG. 1 shows an exemplary inkjet printer 10. This printer 10 includes a base 12 carrying a housing 14. Within the housing 14 is a feed mechanism 16 for controllably moving a print medium (i.e., paper this case, although the invention is not so limited) through the printer 10. Those ordinarily skilled in the pertinent arts will understand that the feed mechanism 16 may be configured to feed sheet paper or medium, or may be configured to feed roll paper or medium, or may be configured to feed print medium of another shape or style. In this exemplary printer 10, the feed mechanism 16 controllably moves a single sheet of paper 18 from a paper magazine 20 along a print path 22 within the printer 10. The printer 10 includes a traverse mechanism 24 (i.e., a carriage) carrying an inkjet print cartridge 26. The traverse mechanism moves the inkjet printing cartridge 26 perpendicularly to the direction of movement of the paper 18 (i.e., the cartridge 26 is moved perpendicularly to the p...

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Abstract

A printhead is used to eject printing fluid, such as ink, onto a printing medium. This printhead has an orifice plate defining plural orifices from which the printing fluid is individually ejected onto the printing medium to form characters and images. This orifice plate includes in addition to the plural orifices, plural barrier walls interdigitated with the orifices so that each orifice is between a pair of spaced apart barrier walls. The barrier walls substantially prevent the ejection of printing fluid from one selected orifice from causing an unwanted ejection of printing fluid from adjacent orifices.

Description

[0001] 1. Field of the Invention[0002] This invention relates generally to inkjet printing. More particularly, this invention relates to an inkjet print cartridge which has improved reliability, and improved ease and reliability of manufacturing. That is, the inkjet cartridge provides a robust design with reduced variability and improved manufacturing. The present invention also relates to an inkjet printer having such an inkjet print cartridge, and to a method for manufacturing such an inkjet print cartridge.[0003] 2. Related Technology[0004] Inkjet printers or plotters typically have a print cartridge mounted on a carriage. This carriage is traversed back and forth across the width of a print medium (i.e., usually paper or a plastic plotting film, for example) as the print medium is fed through the printer or plotter. Plural orifices on the print cartridge are fed ink (or other printing fluid) by one or more channels communicating from a reservoir of the print cartridge. Energy ap...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): B41J2/14B41J2/16
CPCB41J2/1433Y10T29/49798Y10T29/49401B41J2/1606
InventorSLEGER, ROGER ROBERT
OwnerHEWLETT PACKARD DEV CO LP